# SDR AALA200803095

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2008
- Submitted: February 12, 2009
- Operation: Air carrier
- Aircraft: [N556AA](https://openairdocs.org/aircraft/N556AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 53086
- Aircraft time: 52,364 hours
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Component: Apu, Honeywell
- Component part number: 5940405503
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA200803095

## Discrepancy

INFLIGHT, CREW REPORTED SMOKE IN CABIN AND SMELLED LIKE BURNED RUBBER.  RETURNED TO DFW AND LANDED WITHOUT INCIDENT.  FOUND APU OIL LEAK ON LEFT SIDE WITH INGESTION INTO AIR CONDITIONING SYSTEM.  REPLACED APU ON 13 DEC AT DFW.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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